﻿using System;
using System.Collections.Generic;
using System.Linq;
using System.Linq.Expressions;
using ZhongKeSite.Common;
using ZhongKeSite.Entity;
using ZhongKeSite.Entity.Models;
using ZhongKeSite.Repository;

namespace ZhongKeSite.Service
{
    public class SubscribeService : ISubscribeService
    {
        ISubscribeRepository subscribeRepository;
        public SubscribeService(ISubscribeRepository _subscribeRepository)
        {
            subscribeRepository = _subscribeRepository;
        }

        #region Subscribe
        /// <summary>
        /// 获取分页数据
        /// </summary>
        /// <param name="id"></param>
        /// <returns></returns>
        public LayPager<Subscribe> GetSubscribePagedList(int pageIndex, int pageSize, Expression<Func<Subscribe, bool>> predicate)
        {
            var list = subscribeRepository.GetPagedList(pageIndex, pageSize, predicate);
            LayPager<Subscribe> pmodel = new LayPager<Subscribe>();
            if (list != null)
            {
                pmodel.count = list.TotalItemCount;
                pmodel.msg = CommonConst.Success;
                pmodel.data = list.ToList();
            }
            return pmodel;
        }
        /// <summary>
        /// 获取
        /// </summary>
        /// <param name="id"></param>
        /// <returns></returns>
        public ResultResponse<Subscribe> GetSubscribe(string id)
        {
            ResultResponse<Subscribe> resultResponse = new ResultResponse<Subscribe>() { success = false, msg = CommonConst.Fail };
            resultResponse.data = subscribeRepository.GetById(id);
            if (resultResponse.data != null)
            {
                resultResponse.success = true;
                resultResponse.msg = CommonConst.Success;
            }
            return resultResponse;
        }

        /// <summary>
        /// 新增
        /// </summary>
        /// <param name="entity"></param>
        public ResultResponse AddSubscribe(Subscribe model)
        {
            ResultResponse response = new ResultResponse() { success = false, msg = CommonConst.Fail };
            if (string.IsNullOrWhiteSpace(model.Email))
            {
                response.msg = "邮箱不能为空!";
                return response;
            }
            model.ID = IdentityCreator.NextIdentity;
            model.AddDate = DateTime.Now;
            response.success = subscribeRepository.Add(model);
            response.msg = response.success ? CommonConst.Success : CommonConst.Fail;
            return response;
        }

        /// <summary>
        /// 编辑
        /// </summary>
        /// <param name="entity"></param>
        public ResultResponse UpdateSubscribe(Subscribe model)
        {
            ResultResponse response = new ResultResponse() { success = false, msg = CommonConst.Fail };
            if (string.IsNullOrWhiteSpace(model.Email))
            {
                response.msg = "邮箱不能为空!";
                return response;
            }
            var o = subscribeRepository.GetById(model.ID);
            o.Email = model.Email;
            o.Remark = model.Remark;
            o.UpdateBy = model.UpdateBy;
            o.UpdateDate = DateTime.Now;

            response.success = subscribeRepository.Update(o);
            response.msg = response.success ? CommonConst.Success : CommonConst.Fail;
            return response;
        }

        /// <summary>
        /// 推荐，取消推荐 操作
        /// </summary>
        /// <param name="ids"></param>
        /// <param name="dataStatus"></param>
        /// <returns></returns>
        public ResultResponse UpdateSubscribeState(List<string> ids, string userName, DataStatus dataStatus)
        {
            ResultResponse response = new ResultResponse() { success = false, msg = CommonConst.Fail };
            var products = subscribeRepository.GetList(s => ids.Contains(s.ID)).ToList();
            if (products != null && products.Count > 0)
            {
                switch (dataStatus)
                {
                    case DataStatus.Deleted:
                        products.ForEach(k =>
                        {
                            k.IsDel = 1;
                            k.UpdateBy = userName;
                            k.UpdateDate = DateTime.Now;
                        });
                        response.success = subscribeRepository.Update(products);
                        break;
                }
                response.msg = response.success ? CommonConst.Success : CommonConst.Fail;
            }
            return response;
        }
        #endregion
    }
}
